Transportation container for radioactive waste barrel

Abstract

The utility model discloses a transport container for radioactive waste barrels, which comprises a top cover, a barrel body and a base, the barrel body is mounted above the base, the top cover is mounted above the barrel body, the top cover is used for sealing the barrel body, and the radioactive waste barrels are placed in the barrel body. The top cover comprises a cover body and a lifting part above the cover body, the lifting part is used for lifting the top cover, and a plurality of long slotted holes are formed in the cover body; the barrel body comprises a barrel body, a barrel body flange plate, a positioning rib plate, a wrap angle and a plurality of lifting lugs, the barrel body flange plate is fixed at the top end of the barrel body, the barrel body flange plate and the cover body are connected at any angle through a long slotted hole by using a bolt, the positioning rib plate is arranged at the lower end of the inner side wall of the barrel body, the wrap angle is arranged on the outer side of the barrel body flange plate, and the lifting lugs are fixed on the outer side of the barrel body; the base comprises a base plate and a plurality of forklift grooves, and the forklift grooves are fixed below the base plate. The transportation container is safe, stable, easy to load and transport, shockproof and capable of being integrally transferred.

Description

TECHNICAL FIELD

[0001] The utility model relates to radioactive article transportation equipment technical field, concretely relates to a kind of transportation container for radioactive waste barrel. BACKGROUND

[0002] Nuclear power plant will produce a large amount of low-level radioactive waste in the daily operation process, in order to protect the public from the dose exposure of over-limit value and protect the human living environment, it is necessary to safely dispose of these radioactive waste, and according to the provisions of the national standard GB 11928-1989 "Provisions for Temporary Storage of Low and Medium Level Radioactive Solid Waste", the waste temporary storage time should not exceed 5 years, a large amount of low-level radioactive waste needs to be transported from nuclear power plant to waste disposal plant.

[0003] There are a large number of 400L radioactive waste steel barrels with an external radiation level of 2-30mSv / h in each nuclear power base, the radiation level of the outer surface of the steel barrel does not meet the provisions of the national standard GB11806-2019 "Safety Regulations for Radioactive Article Transportation", and it cannot be directly transported, therefore, it is crucial to design a low-level radioactive waste transportation container that meets the regulations and standards.

[0004] The existing patent CN111916244A discloses a shielding steel box, which includes a steel box with a rectangular cuboid structure, the steel box is detachably connected with a box cover, a shielding box for loading solidified waste barrels is arranged in the steel box, a top cover is detachably connected to the shielding box, the shielding box and the top cover are both stable metal, and a pressing member is arranged in the steel box to keep the relative position between the shielding box and the steel box stable. The utility model has the effect of improving the shielding of the existing radioactive solid waste transportation steel box.

[0005] The existing patent CN115662671A discloses an assembled nuclear waste treatment device, which is in the shape of a hollow cylindrical barrel and includes a seat part, a connecting part and a cover part which are detachably connected in sequence from bottom to top, the seat part includes a base and a first connecting segment arranged on the base, the outer periphery of the base is uniformly provided with a plurality of through grooves, the connecting part includes a second connecting segment which can be sealingly sleeved on the outside of the first connecting segment, the outer periphery of the second connecting segment is correspondingly provided with a through groove, the cover part includes a third connecting segment, the top of the third connecting segment is provided with a sealable top cover and an air extraction hole, and the through groove is provided with an extendable fixing belt; in this scheme, the overall structure design of the cylindrical barrel-shaped treatment device is maintained to satisfy the storage of waste barrels which are also in the shape of a cylindrical barrel.

[0006] At present, the steel box with shielding layer is mostly used to transport 400L waste barrels in China, and the shielding layer adopts the embedded welding shielding box. The steel box has low height, weak shielding capacity of the top cover, and poor applicability. In the nuclear power loading operation, the top cover cannot be closed, the transport tool cannot enter due to the small door of the waste storage of individual nuclear power plants, each waste package needs to be transferred to the operation warehouse one by one, the operation is time-consuming, complicated, the radiation dose of the workers is large, and the steel box has some problems in the examination of the national regulatory department. The steel box is not subjected to various tests when it leaves the factory, and there is no fixed protection measure. It has been required to design and test again for special problems, and it has defects such as no scientific test, no effective fixing measure, no in-plant transfer capacity, and no accident damage prevention function. Content of the utility model

[0007] Based on the above technical problems, the utility model provides a transport container for radioactive waste barrels, which solves the problems of lack of high-dose low-level radioactive waste barrel transport container, high radiation risk of radioactive waste barrel transfer, complicated operation, and weak accident bearing capacity in the prior art.

[0008] In order to achieve the above-mentioned purpose, the utility model provides a transport container for radioactive waste barrels. The technical scheme is as follows:

[0009] A transport container for radioactive waste barrels, comprising a barrel body and a top cover above the barrel body, the barrel body comprising a barrel body, a barrel body flange, a positioning rib plate and an angle, the barrel body flange being fixed to the top end of the barrel body, the angle being fixed to the outer side of the barrel body flange, the positioning rib plate being fixed to the inner side wall of the barrel body, and the top cover and the barrel body being connected through the barrel body flange.

[0010] Further, the barrel body comprises a plurality of angles.

[0011] Further, the plurality of angles are fixed to the outer side of the barrel body flange at equal intervals.

[0012] Further, the angle is an arc-shaped square tube.

[0013] Further, the positioning rib plate is fixed to the lower end of the inner side wall of the barrel body.

[0014] Further, the positioning rib plate is an annular plate or a plurality of arc-shaped plates, and the top end of the positioning rib plate is an inclined surface.

[0015] Further, the top cover comprises a cover body and a lifting component above the cover body, and the edge of the lower surface of the cover body is a beveled stepped structure.

[0016] Further, a plurality of slot holes are formed in the cover body, the slot holes are used for connecting the cover body and the barrel body flange, and the slot holes are arc-shaped long slot holes.

[0017] Further, the lifting component comprises a ring plate and a top plate, the top plate is fixed on the upper surface of the cover body, and the ring plate is sleeved and fixed on the outer side of the top plate;

[0018] The inner side wall of the ring plate is provided with a clamping groove at the lower end, and the inner side wall of the ring plate is provided with a ring-shaped edge at the upper end;

[0019] The side wall of the ring plate is provided with a plurality of semicircular through holes near the upper surface of the top plate.

[0020] Further, the upper surface edge of the cylinder flange plate is a beveled stepped structure.

[0021] Further, the base further comprises a base plate and a plurality of forklift grooves, and the forklift grooves are fixed below the base plate.

[0022] Further, the barrel body further comprises a plurality of lifting lugs, and the lifting lugs are fixed on the outer side wall of the barrel body and correspond to adjacent two angle covers.

[0023] Further, the lifting lug is a plate type lifting lug.

[0024] Based on the above technical scheme, the utility model has at least the following beneficial effects:

[0025] 1. The utility model provides a kind of transport container for radioactive waste barrel, cylinder flange plate and top cover are connected and matched to constitute containment structure, cylinder is main shielding layer, while positioning rib plate is arranged in cylinder interior, and it plays the role of fixed to waste barrel, the transport container is safe and stable, and loading and transportation operation is simple.

[0026] 2. The utility model provides a kind of transport container for radioactive waste barrel, top cover is provided with long hole slot, can be connected and matched with barrel body at any angle, while top cover upper is provided with lifting component, and it is convenient for the lifting of top cover.

[0027] 3. The utility model provides a kind of transport container for radioactive waste barrel, barrel body is provided with angle cover and lifting lug, angle cover can effectively prevent deformation of barrel body caused by falling, and lifting lug can realize the integral hoisting transfer of transport container.

[0028] 4. The utility model provides a kind of transport container for radioactive waste barrel, and bottom is designed with forklift groove, and it is convenient for the integral transfer of transport container. DRAWINGS

[0029] The drawings accompanying the specification constitute part of this utility model and serve to further provide a further understanding of the utility model, and the illustrative embodiments of the utility model and their descriptions serve to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0030] Figure 1 A structure schematic view of a transport container for radioactive waste barrels is provided for the utility model;

[0031] Figure 2 A structure schematic view of a transport container for radioactive waste barrels is provided for the utility model;

[0032] Figure 3 A vertical cross section schematic view of a transport container for radioactive waste barrels is provided for the utility model.

[0033] Reference signs: 10 - top cover, 11 - cover body, 12 - ring plate, 13 - top plate, 14 - long slot hole, 20 - barrel body, 21 - barrel body, 22 - barrel body flange plate, 23 - positioning rib plate, 24 - corner, 25 - lifting lug, 30 - base, 31 - base plate, 32 - forklift groove. DETAILED DESCRIPTION

[0034] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0035] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0036] EMBODIMENT

[0037] To solve the problems of lacking high-dose low-level radioactive waste barrel transport container, high radiation risk of radioactive waste barrel transfer, complex operation and weak accident bearing capacity in the prior art, the utility model provides a transport container for radioactive waste barrels.

[0038] To achieve the above purpose, the utility model provides a transport container for radioactive waste barrels, which is used for loading and transporting radioactive waste barrels. Figures 1-3 As shown in the structure schematic view of the transport container, the transport container includes a top cover 10, a barrel body 20 and a base 30. Figure 1 The barrel body 20 is installed above the base 30, the top cover 10 is installed above the barrel body 20, is used for sealing the barrel body 2, the barrel body 2 is a hollow cylindrical barrel, and is used for placing radioactive waste barrels.

[0039] Specifically, as shown in Figure 1 and Figure 2As shown, the top cover 10 comprises a cover body 11 and a lifting component above the cover body 11, which comprises a ring plate 12 and a top plate 13. The cover body 11 is a circular flat plate, the top plate 13 is also a circular flat plate, the diameter of the top plate 13 is smaller than that of the cover body 11, the ring plate 12 is an annular plate, the thickness of the ring plate 12 is greater than that of the top plate 13, the top plate 13 is fixed to the middle position above the cover body 11, and the ring plate 12 is fixed to the outside of the top plate 13. The ring plate 12 and the top plate 13 form the lifting component of the top cover 10, which is convenient for lifting the top cover 10. The lower end of the inner side wall of the ring plate 12 is provided with a clamping groove, so that the ring plate 12 can be fixed and clamped on the outside of the top plate 13. The inner side upper end of the ring plate 12 is provided with an annular edge, which is convenient for lifting tools to lift. A plurality of semicircular holes are formed in the side wall of the ring plate 12 close to the upper surface of the top plate 13, which prevents water accumulation in the middle part of the lifting component. A plurality of long slot holes 14 are formed in the edge position of the cover body 11, and the top cover 10 and the barrel body 20 can be connected at any angle by M30 bolts through the long slot holes 14.

[0040] Optionally, the edge position of the bottom surface of the cover body 11 is designed as an inclined ladder, which is convenient for assembling the top cover 10 and the barrel body 20.

[0041] Specifically, referring to Figure 2 and Figure 3 As shown, the barrel body 2 comprises a barrel body 21, a barrel flange plate 22, a positioning rib plate 23, an angle cover 24 and a lifting lug 25. The barrel body 21 is the main shielding layer, the barrel body 21 is a cylindrical shape, the inside is a hollow cavity, the top is open, and the side wall and the bottom have a certain thickness and strength to maintain the shape and stability of the barrel body 21. The top end of the barrel body 21 is the barrel flange plate 22, and the barrel flange plate 22 has threaded holes for installing the top cover 10. The positioning rib plate 23 is arranged at the lower end of the inner side wall of the barrel body 21 and is welded and fixed with the side wall of the barrel body 21. The positioning rib plate 23 plays a role in fixing the waste barrel and preventing the waste barrel from shaking during transportation. The top end of the positioning rib plate 23 is designed as an inclined surface, which is convenient for loading the radioactive waste barrel. A plurality of angle covers 24 are fixed to the outside of the barrel flange plate 22, and the upper end of the angle cover 24 is higher than the barrel flange plate 22, which can effectively prevent the deformation of the shielding layer of the barrel body 21 when falling. A plurality of lifting lugs 25 are fixed to the outer side wall of the barrel body 21, which are used to realize the overall transfer of the transport container. The positions of the lifting lugs 25 correspond to the intervals between adjacent two angle covers 24, so that the steel ropes of the lifting lugs are not affected by the angle covers 24.

[0042] Optionally, the top surface edge of the barrel flange plate 22 is provided with an inclined ladder matched with the cover body 11.

[0043] Optionally, the positioning rib plate 23 is an annular plate or a plurality of arc-shaped plates.

[0044] Optionally, a plurality of wrap angles 24 can be fixed at equal intervals on the outer side of the cylinder flange plate 22, and the wrap angle 24 is an arc-shaped square tube.

[0045] Optionally, the lifting lug 21 can be located on the outer side wall of the cylinder 21 at the upper end, that is, below the cylinder flange plate 22, so that the stability is higher when lifting.

[0046] Specifically, as shown in 2, the base 3 includes a base plate 31 and a plurality of forklift grooves 32, the base plate 31 and the bottom of the cylinder 21 are welded and connected, and the plurality of forklift grooves 32 are fixed below the base plate 31, which is used for the overall transfer of the transport container.

[0047] Optionally, the base plate 31 is a rectangular plate, which is convenient for the installation of the forklift grooves 32, and the forklift grooves 32 are four, which are respectively fixed below the four corners of the base plate 31.

[0048] The loading process of the above-mentioned radioactive waste barrel transport container is as follows: first, the transport container is transferred to the designated place through the lifting lug on the outer side of the cylinder or the forklift groove at the bottom; the adjacent bolt lead seal of the top cover is removed and the top cover bolt is removed; the top cover is removed by using a special lifting tool through the lifting part; the radioactive waste barrel is lifted into the cylinder by using a special lifting tool; the top cover is covered by using a special lifting tool through the lifting part; and the top cover connecting bolt is installed. The unloading method is similar to the loading method.

[0049] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0050] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0051] It should be noted that in the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the skilled person in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

Claims

1. A transport container for radioactive waste barrels, characterized by: The utility model relates to a kind of cylinder body and top cover, the cylinder body includes cylinder body (20) and the top cover (10) above the cylinder body (20), the cylinder body (20) includes cylinder body (21), cylinder body flange (22), positioning rib plate (23) and corner (24), the cylinder body flange (22) is fixed to the top end of the cylinder body (21), the positioning rib plate (23) is fixed to the inner side wall of the cylinder body (21), the corner (24) is fixed to the outside of the cylinder body flange (22), the top cover (10) and the cylinder body (20) are connected by the cylinder body flange (22).

2. The shipping container for a radioactive waste barrel of claim 1, wherein: The cylinder body (20) includes a plurality of corners (24).

3. The shipping container for a radioactive waste barrel of claim 2, wherein: The plurality of corners (24) are fixed to the outside of the cylinder body flange (22) at equal intervals.

4. The shipping container for a radioactive waste barrel of claim 3, wherein: The corner (24) is an arc-shaped square tube.

5. The shipping container for a radioactive waste barrel of claim 1, wherein: The positioning rib plate (23) is fixed to the lower end of the inner side wall of the cylinder body (21).

6. The shipping container for a radioactive waste barrel of claim 5, wherein: The positioning rib plate (23) is an annular plate or a plurality of arc-shaped plates, and the top end of the positioning rib plate (23) is an inclined surface.

7. The shipping container for a radioactive waste barrel of claim 1, wherein: The top cover (10) includes a cover body (11) and a lifting component above the cover body (11), and the edge of the lower surface of the cover body (11) is a beveled stepped structure.

8. The shipping container for a radioactive waste barrel of claim 7, wherein: A plurality of slot holes are formed in the cover body (11) and are used to connect the cover body (11) and the cylinder body flange (22), and the slot holes are arc-shaped long slot holes.

9. The shipping container for a radioactive waste barrel of claim 7, wherein: The lifting component includes a ring plate (12) and a top plate (13), the top plate (13) is fixed to the upper surface of the cover body (11), and the ring plate (12) is fixed to the outside of the top plate (13) in a sleeved manner. A clamping groove is formed in the lower end of the inner side wall of the ring plate (12), and an annular rim is arranged at the upper end of the inner side wall of the ring plate (12). A plurality of semicircular through holes are arranged at the lower end of the side wall of the ring plate (12) close to the upper surface of the top plate (13).

10. The shipping container for a radioactive waste barrel of claim 7, wherein: The edge of the upper surface of the cylinder body flange (22) is a beveled stepped structure.

11. The shipping container for a radioactive waste barrel of claim 1, wherein: The utility model also includes a base (30), and the base (30) includes a base plate (31) and a plurality of forklift grooves (32), the forklift grooves (32) are fixed below the base plate (31).

12. The shipping container for a radioactive waste barrel of claim 2, wherein: The cylinder body (20) further includes a plurality of lifting lugs (25), the lifting lugs (25) are fixed to the outer side wall of the cylinder body (21) and are between adjacent two corners (24).

13. The shipping container for a radioactive waste barrel of claim 12, wherein: The lifting lug (25) is a plate type lifting lug.

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